Automatic train-stop.



E. L. BARRIL.

AUTOMATIC TRAIN STOP.

APPLICATION FILED DEC. 23, 1913.

1,1 1 1,638. Patented p 22, 1914.

(WW a 8.1 5 1 "HE Name/s P5 TEES cu PHUTO'IJTHG WASHINGTON, D. C.

at Iron River,v in the county-r of Iron and State of lylichigan,1. haveinvented [certain new and'usefulilmprovements in AutomaticTrain-stopskpiandi I do hereby,- decjlare the following to be a' full,olear -andexact de-fl scription of the-invention, such: as willaen inthe art'to; which it ap-' pertains to -make and usethe. same, f

- The primary obj ect of thlfi; inventiomis 1 rovide an automatictrain-stop whichjwilgl j first signal the l-Iengineer'that a 1 stopshould be I made and thenfyoperate; gupong' f-t-he airbrakesystem.foo-apply}the.air bralres.

' Another. 'andymor'e rspecific ob ecjt I invention; is toprovidei"anl,automatic train 7 vancei of the obstacle to! warntheiengineeri stop inoliidinga plul'f am gor obstacle s which maytbeoperated gbyi a semaphore or manu; ally byfa station master -to .engageavalve: lever on theftrain and "release {air-ifromjthe i train linejwhereby the: brakes; willbe ap; V

"fiAQ-fllllihl ;ofdthe inyention to, provide 111 adevice:otthis-natureYa means for:;,.placingtorpedoes on: the ,track inadthat. asa should as madam With these and OtherobjeCts. iniiviewyaswillbe beconiie'inore. apparent as thedescrip tion proceeds, theinventlon.Lcons1sts "1n certain novel features of construction, pomelaion ande an em tw f iparts aga n be hereinafter 'more fully described 15claimed; t v

For a complete understanding of m invention, reference is to be had tothe follow escription and accompany ng drawings, in whichv Figure 1isa-view showing in elevation I my improved xtrain stop as it appears n:

use,: Fig. 2 isf a top plan View", showing a portion of a 'trackwiththe'obstaclein operative position and the torpedoes in the path ofthetrain wheels, Fig. 3 is a section taken on "the plane of line 33 ofFig- 2, and Fig. 4 is a section taken onthe plane of -line4-4of Fig. 2.a a' Referring in"detailto the drawings by numerals, 1 designatesyasanentirety, a vev hicle which maybe the lastcoach ofa train and which isequipped with a train line" pipe 2 having a depending branch 3 which andtea m1,

melee teammate IRQN J i Q i I N- J y is}"closed at lower end by Tail; 4:

' I; RIL,,a citizenof the Unitedstatesyresiding equipped with .a lever.or operating handle 35. The'handle is normally held in such-a P QSitiOIas to maintain the valve closedi y 'ajcontractile spring f6connectedthereto at one end andjat its other end toan arm-7 carr ed bythe ex tens'ionv3.q

rectangular frame8,having.; a base bar 9,

extending at right angles 'to the plane of the obstacle are formed onthe ends of the vgtrunnion 11" and when the obstacle-is in pperatiVeposition, project toward the track rails 15. A contractile spiral spring16 is C n cte a intende t ph r of h Jobstacle and at its other end toone of f the .;v

The obstacle,;which I employ to theyalveoperatinglever 5, consistsof a{cross ties l jandgtendstoswing theobstacle away fromthe rail 15 ,Aflexible connec tion 17 parallel the tia'cklai ,15, is guid d l by thepulleys 1 8, and is connected at'one thenuineralQO; andjmay be lockedinwvarifi a end toja lever Thisjlever ispivoted to a any suitablesupport,jsuch as indicated by 'imity to the upperv surfaces ofthe crossties,

v l0nnei0ns2 eetithe flexia 'ble ember "17% "the amen: raiwiu beapparent-aha when the'lever 19 swung in one direction, the spring 16mayact to,

pull the obstacle downwardly toward the cross ties and that when thelever 19 is swung in the other direction, the obstacle will be swunginto a vertical plane against .the action of the spring16. A v In orderto signal the engineer before the brakes are setby passing over theobstacles 10, I employ a plurality of t0rped0es23. These torpedoes arecarried on arms'2 1 which extendat right angles to a bar25.

This 'bar isprovidecl with a pair of aper- I tured pivot. arms 26whichextend at right angles-to the arms 24;,and which are sup-' portedby a pivot rod 27 connected to brackets 28 positioned uponthecros's'jties 13. n An arm 29'pr0j ects from each of the pivot arms 26in the same direction and parallel to 17 by swinging the levei"; 1'9 andthe obthe ti ack rail 15. It wi ll'be understoodtha-t pedoes tc Warn theengineer that a stop opened and closed by'the combineda'ction vided; averysirnp'le, practical and efficient l a stop Which itill'fii'st Warnthe engineer wil llbe understood that rninoc changes in 'r iitom-thespii itand scope ofwthe invention asclaimed. p 1 ,1

T openated by a semaphore if desired. Agn apnecessary to cause acomplete stoppage of staclesfidand Ill are thrown into ventical planesand the torpedoes are arrangedacross i the connection 1 be connected toan'd proaching train will fitstIeXpl ode :the tolfshoal-d be m'ade andthen the valve operating levels- 5 wil l'engage the Wavy "bar 10 of thefirst obstacle to cause an opening '01:: "the 'f valve 4. This valvewill-beflintermittent1y T of the obstacle and the spr-in fi. It willbeunderstood that as many, ofi stacles as are the tIEiLiII may "beemployed.

From the foregoin-g'description taken in connection with the accompanyindra ings,-it will be apparent that I have prothat :a' step should bemade and, if this warning is disregarded; automatically cause :the traintostop. l i

While have S o nfand described the preferi'ed'fembodiment"of my'invention, it

claim Q; .111 an automatic train stop, an obstacle comprising a'rectangiflai' -frame having a ,to prjharuof Wavy construction,"trunnions f rm'edtn the ends of the base bar of the nions are journ'al'ed, 'an arm formed on each.

' trunnion and -rextehding at, fight' angles to e the plane 10f theobstacle,i sp1ing;means for p 1 drawing the top bar of thmeaway-i't-i'om into a veiitioal positionl I In an ant \ina tictraintstopf -the ing its iipperf lev en engaging with alternatancuateydepressions and 211p? v ing" said flex'r'er, depen'dingaiansKiel-med upon said bar' for pirvgotallliy :Suppdntingthexbaradjacent-attack .bai' into-a lever fenga'gingposition. :4:

standing portions ffori intemfnittently leperatg 11 dmeanszforrmoiingesaid Hating e asjaescabea-afiy' nmate; I

brackets thI'OllghiWhiCh"Said 1131111111 r nation with an' airilinecontrollingvalve le ve ,ofaatrackaobstacletneluding a bam;hav

nation with m-at e1cbncro11i valve lel baradaoenrtfa tra' I I p bar into*a leviei". sr engaging position and" from a lever aiteraction 1 of saidfirst named means; 3, 4

ginpresenceflicf two masses.

construction, combination and arrangement ofy'p'artsmay' be made Withoutdeparting ver; "of a gtnack :phstaclej iiinehiiiing"a gban having itsuppeif *leverfiengag'ing 1 110- vicled with altemate ldBIDIQESiQfiSJQJHdupstanding portions 'iutqrmiwehtly rosper; acme said e; d pwd;ihgec e mpon said llbili tagmm the.

,meamsforzm'oving said 511162115 for automatically movlng said testimmEUGENE ER A BIIL Q

